@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: "Open Sans", Arial, sans-serif;
    color: #ffffff;
    background: #111111;
}

html {
    scroll-behavior: smooth;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    width: 100%;
    height: 92px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 56px;
    background: #111111;
}

.brand {
    display: inline-flex;
    align-items: center;
}

.brand img {
    display: block;
    width: 178px;
    height: auto;
}

.nav-toggle-label {
    display: none;
}

.nav-toggle {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 34px;
    list-style: none;
}

.main-nav a {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
    transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    color: #e30613;
}

/* ─── Hero Slider ──────────────────────────────────────── */

.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.slider-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.9s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.46) 0%, rgba(0,0,0,0.08) 42%, rgba(0,0,0,0.22) 100%);
    pointer-events: none;
}

/* ─── Slider Okları ─── */

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 52px;
    height: 52px;
    background: rgba(0,0,0,0.35);
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.22);
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.slider-btn:hover {
    background: #e30613;
    border-color: #e30613;
}

.slider-prev { left: 28px; }
.slider-next { right: 28px; }

/* ─── Slider Noktalar ─── */

.slider-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 12px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.25s ease, transform 0.25s ease;
}

.slider-dot.active {
    background: #e30613;
    transform: scale(1.25);
}

.slider-dot:hover {
    background: rgba(255,255,255,0.75);
}

@media (max-width: 992px) {
    .slider-btn {
        width: 42px;
        height: 42px;
        font-size: 26px;
    }

    .slider-prev { left: 14px; }
    .slider-next { right: 14px; }
}

@media (max-width: 480px) {
    .slider-btn {
        display: none;
    }
}

/* ─── Legacy .hero (gerekirse) ─────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.46) 0%, rgba(0, 0, 0, 0.08) 42%, rgba(0, 0, 0, 0.22) 100%);
    pointer-events: none;
}

.hero img {
    width: 100%;
    height: 100vh;
    display: block;
    object-fit: cover;
}

/* ─── Memnuniyet / Survey ───────────────────────────── */

.survey-section {
    padding: 110px 56px;
    background: #111111;
    color: #ffffff;
}

.survey-section .section-heading {
    text-align: center;
    margin-bottom: 56px;
}

.survey-section .section-heading span {
    display: block;
    margin-bottom: 10px;
    color: #e30613;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.survey-section .section-heading h2 {
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 14px;
}

.section-desc {
    color: rgba(255, 255, 255, 0.62);
    font-size: 16px;
    line-height: 1.6;
}

.survey-form {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* ─── Yıldız derecelendirme ─── */

.survey-ratings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.rating-card {
    background: #1c1c1c;
    border-left: 4px solid #e30613;
    padding: 22px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.rating-label {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
}

/* Yıldızlar sağdan sola gösterilir, ters sırada seçim mantığı */
.star-group {
    display: flex;
    flex-direction: row-reverse;
    gap: 4px;
}

.star-group input[type="radio"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.star-group label {
    font-size: 30px;
    color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    line-height: 1;
    transition: color 0.15s ease, transform 0.1s ease;
}

.star-group label:hover,
.star-group label:hover ~ label,
.star-group input[type="radio"]:checked ~ label {
    color: #e30613;
}

.star-group label:hover {
    transform: scale(1.15);
}

/* ─── Çoktan seçmeli kartlar ─── */

.survey-choice-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.choice-card {
    background: #1c1c1c;
    border-left: 4px solid #e30613;
    padding: 22px 26px;
}

.choice-label {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.choice-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.choice-opt {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.choice-opt input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    flex-shrink: 0;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.choice-opt input[type="radio"]:checked {
    border-color: #e30613;
    background: #e30613;
    box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.22);
}

.choice-opt span {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.78);
    white-space: nowrap;
}

/* ─── Metin alanları ─── */

.survey-fields-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.survey-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.survey-field--full {
    grid-column: 1 / -1;
}

.survey-field label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.82);
}

.optional {
    font-weight: 400;
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
}

.survey-field input,
.survey-field textarea {
    background: #1c1c1c;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-family: inherit;
    font-size: 15px;
    padding: 14px 16px;
    outline: none;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.survey-field input::placeholder,
.survey-field textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.survey-field input:focus,
.survey-field textarea:focus {
    border-color: #e30613;
}

/* ─── Başarı mesajı ─── */

.survey-success {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    padding: 48px 0 24px;
}

.survey-success[hidden] {
    display: none;
}

.survey-success-inner {
    text-align: center;
    max-width: 480px;
}

.survey-success-inner svg {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.survey-success-inner svg circle {
    fill: none;
    stroke: #e30613;
    stroke-width: 2;
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    animation: stroke-circle 0.6s ease forwards;
}

.survey-success-inner svg path {
    fill: none;
    stroke: #e30613;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke-check 0.4s 0.5s ease forwards;
}

@keyframes stroke-circle {
    to { stroke-dashoffset: 0; }
}

@keyframes stroke-check {
    to { stroke-dashoffset: 0; }
}

.survey-success-inner h3 {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.survey-success-inner p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    line-height: 1.6;
}

/* ─── Gönder butonu ─── */

.survey-submit-row {
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.survey-btn {
    background: #e30613;
    color: #ffffff;
    border: none;
    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 16px 52px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.survey-btn:hover {
    background: #c0050f;
}

.survey-btn:active {
    transform: scale(0.98);
}

.survey-btn:disabled {
    background: #6d6d6d;
    cursor: not-allowed;
    transform: none;
}

/* ─── Survey Responsive ─── */

@media (max-width: 992px) {
    .survey-section {
        padding: 82px 22px;
    }

    .survey-ratings-grid,
    .survey-choice-row,
    .survey-fields-row {
        grid-template-columns: 1fr;
    }

    .rating-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .star-group label {
        font-size: 26px;
    }

    .survey-btn {
        width: 100%;
        padding: 16px 24px;
    }
}

/* ─────────────────────────────────────────────────────── */

.contact-section {
    padding: 110px 56px;
    color: #1f1f1f;
    background: #f5f5f5;
}

.section-heading {
    max-width: 1180px;
    margin: 0 auto 36px;
}

.section-heading span {
    display: block;
    margin-bottom: 8px;
    color: #e30613;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-heading h1,
.section-heading h2 {
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.08;
    color: #1f1f1f;
}

.contact-layout {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) minmax(420px, 1.2fr);
    gap: 34px;
    align-items: center;
}

.contact-info {
    display: grid;
    gap: 18px;
    align-self: center;
}

.contact-item {
    padding: 28px;
    background: #ffffff;
    border-left: 5px solid #e30613;
}

.contact-item span {
    display: block;
    margin-bottom: 10px;
    color: #6d6d6d;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
}

.contact-item a,
.contact-item p {
    color: #1f1f1f;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none;
}

.map-wrapper {
    height: 450px;
    overflow: hidden;
    background: #dddddd;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    display: block;
}

.site-footer {
    color: #ffffff;
    background: #111111;
}

.footer-main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 46px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.footer-logo img {
    display: block;
    width: 166px;
    height: auto;
}

.footer-contact {
    display: grid;
    gap: 8px;
    text-align: right;
}

.footer-contact strong {
    color: #e30613;
    font-size: 18px;
}

.footer-contact a,
.footer-contact span {
    color: #ffffff;
    font-size: 15px;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding: 18px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-bottom p,
.designer span {
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
}

.designer {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.designer img {
    display: block;
    width: 34px;
    height: 34px;
    object-fit: contain;
}

@media (max-width: 992px) {
    .site-header {
        height: auto;
        min-height: 82px;
        padding: 16px 28px;
        align-items: center;
        flex-wrap: wrap;
    }

    .brand img {
        width: 148px;
    }

    .nav-toggle-label {
        width: 44px;
        height: 44px;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 6px;
        cursor: pointer;
    }

    .nav-toggle-label span {
        width: 26px;
        height: 2px;
        display: block;
        background: #ffffff;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .main-nav {
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.25s ease;
    }

    .main-nav ul {
        width: 100%;
        padding: 18px 0 4px;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .main-nav a {
        display: block;
        padding: 14px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        font-size: 19px;
        text-align: right;
    }

    .site-header:has(.nav-toggle:checked) {
        background: transparent;
    }

    .nav-toggle:checked ~ .main-nav a {
        color: #111111;
        border-top-color: rgba(17, 17, 17, 0.16);
        text-shadow: none;
    }

    .nav-toggle:checked ~ .main-nav a:hover,
    .nav-toggle:checked ~ .main-nav a:focus-visible {
        color: #e30613;
    }

    .nav-toggle:checked ~ .main-nav {
        max-height: 320px;
    }

    .nav-toggle:checked + .nav-toggle-label span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle:checked + .nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked + .nav-toggle-label span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding-top: 82px;
        min-height: calc(100vh - 82px);
    }

    .hero img {
        height: calc(100vh - 82px);
    }

    .contact-section {
        padding: 82px 22px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .contact-item {
        padding: 22px;
    }

    .contact-item a,
    .contact-item p {
        font-size: 18px;
    }

    .map-wrapper {
        height: 360px;
    }

    .footer-main,
    .footer-bottom {
        padding-right: 22px;
        padding-left: 22px;
    }

    .footer-main,
    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-contact {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 14px 18px;
    }

    .brand img {
        width: 126px;
    }

    .main-nav a {
        font-size: 18px;
    }
}

/* ─── Dil Seçici ────────────────────────────────────────── */

.lang-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding-left: 20px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    list-style: none;
}

.lang-opt {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.48);
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.07em;
    cursor: pointer;
    padding: 3px 5px;
    line-height: 1;
    transition: color 0.2s ease;
}

.lang-opt.active {
    color: #e30613;
}

.lang-opt:hover {
    color: #ffffff;
}

.lang-sep {
    color: rgba(255, 255, 255, 0.2);
    font-size: 12px;
    pointer-events: none;
    user-select: none;
}

@media (max-width: 992px) {
    .lang-item {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-left: 0;
        justify-content: flex-end;
        padding-top: 14px;
        padding-bottom: 6px;
    }

    .nav-toggle:checked ~ .main-nav .lang-item {
        border-top-color: rgba(17, 17, 17, 0.16);
    }

    .nav-toggle:checked ~ .main-nav .lang-opt {
        color: rgba(17, 17, 17, 0.5);
    }

    .nav-toggle:checked ~ .main-nav .lang-opt.active {
        color: #e30613;
    }

    .nav-toggle:checked ~ .main-nav .lang-sep {
        color: rgba(17, 17, 17, 0.22);
    }
}

/* ─── Responsive Ek Düzeltmeler ─────────────────────────── */

/* Hero slider — mobilde header yüksekliğini say */
@media (max-width: 992px) {
    .hero-slider {
        margin-top: 82px;
        height: calc(100vh - 82px);
    }
}

/* Tablet arası kırılma noktası */
@media (max-width: 768px) {
    .corporate-about,
    .mvv-section,
    .why-section,
    .brand-trust-section {
        padding: 64px 22px;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .home-links {
        padding: 56px 22px;
    }

    .mobil-section .mobil-inner {
        padding: 0 22px;
    }
}

@media (max-width: 480px) {
    .why-grid {
        grid-template-columns: 1fr;
    }

    .home-link-label {
        font-size: 22px;
    }

    .page-hero-title {
        font-size: 36px;
    }

    .about-heading,
    .why-heading {
        font-size: 28px;
    }

    .contact-item a,
    .contact-item p {
        font-size: 16px;
    }

    .survey-section {
        padding: 64px 18px;
    }

    .brand-trust-inner {
        flex-direction: column;
        gap: 24px;
    }
}

/* ─── Ana Sayfa – Hızlı Bağlantılar ─────────────────────── */

.home-links {
    padding: 80px 56px;
    background: #111111;
}

.home-links-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.home-link-card {
    background: #1c1c1c;
    border-top: 3px solid #e30613;
    padding: 42px 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease;
}

.home-link-card:hover {
    background: #222222;
    transform: translateY(-5px);
}

.home-link-num {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: #e30613;
    letter-spacing: 0.08em;
}

.home-link-label {
    display: block;
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
}

.home-link-desc {
    display: block;
    font-size: 15px;
    color: rgba(255,255,255,0.50);
    line-height: 1.68;
    flex-grow: 1;
}

.home-link-arrow {
    display: block;
    font-size: 22px;
    color: #e30613;
    margin-top: 6px;
    transition: transform 0.2s ease;
}

.home-link-card:hover .home-link-arrow {
    transform: translateX(7px);
}

/* ─── Ana Sayfa – Güven Bandı ───────────────────────────── */

.home-trust {
    padding: 72px 56px;
    background: #f5f5f5;
}

.home-trust-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 48px;
}

.home-trust-logo {
    width: 100px;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
}

.home-trust-text h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1f1f1f;
    margin-bottom: 12px;
}

.home-trust-text p {
    font-size: 15px;
    color: #5a5a5a;
    line-height: 1.75;
    max-width: 720px;
}

@media (max-width: 992px) {
    .home-links {
        padding: 64px 22px;
    }

    .home-links-inner {
        grid-template-columns: 1fr;
    }

    .home-trust {
        padding: 56px 22px;
    }

    .home-trust-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 28px;
    }
}

/* ─── Ana Sayfa – Petrol Ofisi Mobil ─────────────────────── */

.mobil-section {
    background: linear-gradient(108deg, #e30613 0%, #b5040f 26%, #3c0d44 60%, #120820 100%);
    overflow: hidden;
}

.mobil-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 460px;
}

.mobil-text {
    padding: 72px 0;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.mobil-title {
    font-size: clamp(38px, 5.5vw, 68px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.03;
}

.mobil-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.65;
    max-width: 400px;
}

.mobil-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.mobil-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #000000;
    color: #ffffff;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    min-width: 152px;
    transition: background 0.2s ease;
}

.mobil-btn:hover {
    background: #1c1c1c;
}

.mobil-btn-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.mobil-btn-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.mobil-btn-sub {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.68);
    line-height: 1;
}

.mobil-btn-main {
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.25;
}

.mobil-visual {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    height: 100%;
    padding-top: 48px;
}

.mobil-visual img {
    max-height: 510px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
    object-position: bottom center;
}

@media (max-width: 992px) {
    .mobil-inner {
        grid-template-columns: 1fr;
        padding: 56px 22px 0;
        min-height: auto;
    }

    .mobil-text {
        padding: 0 0 40px;
    }

    .mobil-visual {
        padding-top: 0;
    }

    .mobil-visual img {
        max-height: 360px;
    }
}

@media (max-width: 480px) {
    .mobil-title {
        font-size: 34px;
    }

    .mobil-btns {
        flex-direction: column;
        gap: 10px;
    }

    .mobil-btn {
        min-width: auto;
    }

    .mobil-visual img {
        max-height: 280px;
    }
}

/* ─── İletişim – Bölüm Başlığı ─────────────────────────── */

.contact-section .section-heading h2,
.contact-section-title {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 700;
    color: #1f1f1f;
    line-height: 1.1;
}

/* ─── Aktif Navigasyon Linki ────────────────────────────── */

.nav-active {
    color: #e30613 !important;
}

.nav-toggle:checked ~ .main-nav .nav-active {
    color: #e30613 !important;
}

/* ─── Kurumsal – Sayfa Hero ─────────────────────────────── */

.page-hero {
    position: relative;
    height: 62vh;
    min-height: 380px;
    overflow: hidden;
    margin-top: 92px;
}

.page-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.52) 0%, rgba(0,0,0,0.72) 100%);
    pointer-events: none;
}

.page-hero-content {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
}

.page-hero-eyebrow {
    display: block;
    color: #e30613;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.page-hero-title {
    font-size: clamp(44px, 8vw, 86px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1;
    letter-spacing: -0.01em;
}

/* ─── Kurumsal – Genel Etiket ───────────────────────────── */

.corp-tag {
    display: inline-block;
    color: #e30613;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.corp-tag--light {
    color: #e30613;
}

/* ─── Kurumsal – Hakkımızda ─────────────────────────────── */

.corporate-about {
    padding: 110px 56px;
    background: #111111;
}

.corporate-about-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.about-heading {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
}

.about-lead {
    font-size: 18px;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    line-height: 1.65;
}

.about-body {
    font-size: 15px;
    color: rgba(255,255,255,0.58);
    line-height: 1.8;
}

.about-image-wrap {
    overflow: hidden;
}

.about-image-wrap img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

/* ─── Kurumsal – Misyon / Vizyon / Değerler ─────────────── */

.mvv-section {
    padding: 110px 56px;
    background: #f5f5f5;
}

.mvv-inner {
    max-width: 1180px;
    margin: 0 auto;
}

.mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.mvv-card {
    background: #ffffff;
    border-left: 4px solid #e30613;
    padding: 38px 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.mvv-card-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.mvv-card-icon svg {
    width: 100%;
    height: 100%;
}

.mvv-card-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f1f1f;
}

.mvv-card-text {
    font-size: 15px;
    color: #5a5a5a;
    line-height: 1.75;
}

/* ─── Kurumsal – Neden Koşar Petrol ─────────────────────── */

.why-section {
    padding: 110px 56px;
    background: #111111;
}

.why-inner {
    max-width: 1180px;
    margin: 0 auto;
}

.why-header {
    text-align: center;
    margin-bottom: 64px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.why-heading {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.why-item {
    background: #1c1c1c;
    border-top: 3px solid #e30613;
    padding: 32px 22px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.why-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.why-icon svg {
    width: 100%;
    height: 100%;
}

.why-label {
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
}

.why-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.52);
    line-height: 1.7;
}

/* ─── Kurumsal – Petrol Ofisi Güvence ───────────────────── */

.brand-trust-section {
    padding: 80px 56px;
    background: #f5f5f5;
}

.brand-trust-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 52px;
}

.brand-trust-logo {
    width: 110px;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
}

.brand-trust-text h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1f1f1f;
    margin-bottom: 14px;
}

.brand-trust-text p {
    font-size: 15px;
    color: #5a5a5a;
    line-height: 1.8;
    max-width: 780px;
}

/* ─── Kurumsal Responsive ───────────────────────────────── */

@media (max-width: 992px) {
    .page-hero {
        margin-top: 82px;
        height: 52vh;
        min-height: 300px;
    }

    .corporate-about {
        padding: 82px 22px;
    }

    .corporate-about-inner {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .about-image-wrap img {
        height: 300px;
    }

    .mvv-section {
        padding: 82px 22px;
    }

    .mvv-grid {
        grid-template-columns: 1fr;
    }

    .why-section {
        padding: 82px 22px;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .brand-trust-section {
        padding: 64px 22px;
    }

    .brand-trust-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .page-hero-title {
        font-size: 38px;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }
}